indicates unit is on the Roster of Existing Baldwin Diesels- Amador Central
- Apache
- AT&SF
- California Western
- Colorado & Wyoming
- Columbia Geneva Steel
- Denver & Rio Grande Western
- Great Northern
- Kaiser Steel
- Kennecott Copper
- Kerr McGee
- Koppel Bulk Terminal
- Longview Portland and Northern
- Port of Los Angeles
- Magma Arizona
- McCloud River
- Medford Corp.
- Metropolitan Stevedore
- Mount Vernon Terminal
- Napa Valley
- Northern Pacific
- Oakland Terminal
- Oregon, California & Eastern
- Oregon & Northwestern
- Pacific Lumber Company
- Feather River & Western
- Seattle & North Coast
- Sierra Railroad
- Southern Pacific
- Southwest Railway Construction Co.
- Trona
- Turlock Western
- Union Pacific
- US Steel- Pittsburg, CA
- Western Pacific
- Weyerhaeuser
